<template>
    <el-dialog v-model="dialogVisible" width="30%" title="新增字典项目信息" destroy-on-close center>
        <template #default>
            <el-form :model="dictItem" label-width="100px" label-position="left">
                <el-form-item label="字典项标签">
                    <el-input v-model="dictItem.dictItemTag" aria-placeholder="字典项标签" />
                </el-form-item>
                <el-form-item label="字典项数值">
                    <el-input type="number" v-model="dictItem.dictItemValue" aria-placeholder="字典项数值" />
                </el-form-item>
                <el-form-item label="字典项顺序">
                    <el-input type="number" v-model="dictItem.dictItemOrder" aria-placeholder="字典项顺序" />
                </el-form-item>
                <el-form-item label="字典项备注">
                    <el-input type="textarea" v-model="dictItem.dictItemNotes" aria-placeholder="字典项备注" />
                </el-form-item>
            </el-form>
        </template>
        <!-- footer插槽中放两个按钮 -->
        <template #footer>
            <el-row>
                <el-col :span="12">
                    <el-button type="primary" @click="addDictItem">确定</el-button>
                </el-col>
                <el-col :span="12">
                    <el-button type="primary" @click="cancleAddDictItem">取消</el-button>
                </el-col>
            </el-row>
        </template>
    </el-dialog>
</template>
<script>
import { watch } from "vue";
// 引入我们申明的dict的api的js
import DictItemRequest from '../../../api/dictItem.js';
export default {
    props: ["visible","dictType"],
    emits: ["optionCompleted"], // 对外暴露一个事件，用来传递添加学生的操作结果
    data() {
        return {
            dictItem: {},// 绑定新增的字典信息
            dialogVisible: false,// 添加字典窗口的显示与隐藏
        }
    },
     methods: {
        /**
         * 取消添加字典项的事件
         */
        cancleAddDictItem(){
            this.dictItem = {};
            // 通知父组件  操作完成，让父组件关闭窗体
            this.$emit("optionCompleted");
        },
        /**
         * 添加字典项信息
         */
        addDictItem(){
            DictItemRequest.addDictItem(this.dictItem,res=>{
                if (res.code == '200'){
                    this.$message({
                        type: 'success',
                        message: '添加字典项成功!'
                    });
                    // 通知父组件  操作完成，让父组件关闭窗体
                    this.$emit("optionCompleted");
                }else if(res.code == '300'){
                    this.$message({
                        type: 'warning',
                        message: res.msg
                    });
                }else{
                    this.$message({
                        type: 'error',
                        message: '添加字典项失败!'
                    });
                }
            });
        },
    }, mounted(props) {
        // 侦听props   一旦发生变化，就会出发下面的函数
        watch(() => this.visible, (newVal, oldVal) => {
            // 将最新的值设置给弹窗的dialogVisible属性
            this.dialogVisible = newVal;
        });
        watch(() => this.dictType, (newVal, oldVal) => {
           this.dictItem.dictType = newVal;
        });
    }
}
</script>